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Emergency Relay Valve

Part no. KN30100X
item status Active
Product line Reman
Remanufactured Emergency Relay Valve , Suitable for pre-121 trailers, converter dollies, or exempt trailers., Has automatic bleed down feature., Approximate Weight 3 lbs., FOR USE IN AIR HYDRAULIC SYSTEMS ONLY - DO NOT USE THEM TO CONTROL SPRING BRAKES


  1. 3/8"-18 auxiliary reservoir port on bottom of valve drilled and tapped for use in air hydraulic systems. Do not use them to control spring brakes., Repair Kit use part number RN10HL.
Availability - If no Inventory shown, call regional CS
USA 3 standard packs in stock
Customer Service CAN 1-800-267-9247
blobid0.png WARNING
Cancer and
Reproductive Harm

Technical specs

Service Inlet 1/4"
Emergency Inlet 1/4"
Delivery (4) 1/4"
Auxiliary Reservoir Plugged
Reservoir 3/4"
Crack Pressure 4.5± 1 PSI
Remarks See Notes
OEM Part Number N4301A
Approximate Weight 3 lbs.
Core Group 225


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